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   <div id="projectname">Reranker Framework (ReFr)
   
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   <div id="projectbrief">Reranking framework for structure prediction and discriminative language modeling</div>
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<div class="title">stream-init.H</div>  </div>
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<a href="stream-init_8_h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright 2012, Google Inc.</span>
<a name="l00002"></a>00002 <span class="comment">// All rights reserved.</span>
<a name="l00003"></a>00003 <span class="comment">//</span>
<a name="l00004"></a>00004 <span class="comment">// Redistribution and use in source and binary forms, with or without</span>
<a name="l00005"></a>00005 <span class="comment">// modification, are permitted provided that the following conditions are</span>
<a name="l00006"></a>00006 <span class="comment">// met:</span>
<a name="l00007"></a>00007 <span class="comment">//</span>
<a name="l00008"></a>00008 <span class="comment">//   * Redistributions of source code must retain the above copyright</span>
<a name="l00009"></a>00009 <span class="comment">//     notice, this list of conditions and the following disclaimer.</span>
<a name="l00010"></a>00010 <span class="comment">//   * Redistributions in binary form must reproduce the above</span>
<a name="l00011"></a>00011 <span class="comment">//     copyright notice, this list of conditions and the following disclaimer</span>
<a name="l00012"></a>00012 <span class="comment">//     in the documentation and/or other materials provided with the</span>
<a name="l00013"></a>00013 <span class="comment">//     distribution.</span>
<a name="l00014"></a>00014 <span class="comment">//   * Neither the name of Google Inc. nor the names of its</span>
<a name="l00015"></a>00015 <span class="comment">//     contributors may be used to endorse or promote products derived from</span>
<a name="l00016"></a>00016 <span class="comment">//     this software without specific prior written permission.</span>
<a name="l00017"></a>00017 <span class="comment">//</span>
<a name="l00018"></a>00018 <span class="comment">// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS</span>
<a name="l00019"></a>00019 <span class="comment">// &quot;AS IS&quot; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT</span>
<a name="l00020"></a>00020 <span class="comment">// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR</span>
<a name="l00021"></a>00021 <span class="comment">// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT</span>
<a name="l00022"></a>00022 <span class="comment">// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,</span>
<a name="l00023"></a>00023 <span class="comment">// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT</span>
<a name="l00024"></a>00024 <span class="comment">// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,</span>
<a name="l00025"></a>00025 <span class="comment">// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY</span>
<a name="l00026"></a>00026 <span class="comment">// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT</span>
<a name="l00027"></a>00027 <span class="comment">// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE</span>
<a name="l00028"></a>00028 <span class="comment">// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span>
<a name="l00029"></a>00029 <span class="comment">// -----------------------------------------------------------------------------</span>
<a name="l00030"></a>00030 <span class="comment">//</span>
<a name="l00031"></a>00031 <span class="comment">//</span>
<a name="l00035"></a>00035 <span class="comment"></span>
<a name="l00036"></a>00036 <span class="preprocessor">#ifndef RERANKER_STREAM_INIT_H_</span>
<a name="l00037"></a>00037 <span class="preprocessor"></span><span class="preprocessor">#define RERANKER_STREAM_INIT_H_</span>
<a name="l00038"></a>00038 <span class="preprocessor"></span>
<a name="l00039"></a>00039 <span class="preprocessor">#include &lt;cstdlib&gt;</span>
<a name="l00040"></a>00040 <span class="preprocessor">#include &lt;iostream&gt;</span>
<a name="l00041"></a>00041 <span class="preprocessor">#include &lt;sstream&gt;</span>
<a name="l00042"></a>00042 <span class="preprocessor">#include &lt;tr1/memory&gt;</span>
<a name="l00043"></a>00043 <span class="preprocessor">#include &lt;tr1/unordered_map&gt;</span>
<a name="l00044"></a>00044 <span class="preprocessor">#include &lt;tr1/unordered_set&gt;</span>
<a name="l00045"></a>00045 <span class="preprocessor">#include &lt;vector&gt;</span>
<a name="l00046"></a>00046 <span class="preprocessor">#include &lt;stdexcept&gt;</span>
<a name="l00047"></a>00047 
<a name="l00048"></a>00048 <span class="preprocessor">#include &quot;<a class="code" href="stream-tokenizer_8_h.html" title="Provides the StreamTokenizer  class.">stream-tokenizer.H</a>&quot;</span>
<a name="l00049"></a>00049 
<a name="l00050"></a>00050 <span class="keyword">namespace </span>reranker {
<a name="l00051"></a>00051 
<a name="l00052"></a>00052 <span class="keyword">using</span> std::ostringstream;
<a name="l00053"></a>00053 <span class="keyword">using</span> std::tr1::shared_ptr;
<a name="l00054"></a>00054 <span class="keyword">using</span> std::tr1::unordered_map;
<a name="l00055"></a>00055 <span class="keyword">using</span> std::vector;
<a name="l00056"></a>00056 
<a name="l00057"></a>00057 <span class="keyword">class </span>Environment;
<a name="l00058"></a>00058 
<a name="l00067"></a><a class="code" href="classreranker_1_1_stream_initializer.html">00067</a> <span class="keyword">class </span><a class="code" href="classreranker_1_1_stream_initializer.html" title="An interface that allows for a primitive, Factory-constructible object or vector thereof to be initia...">StreamInitializer</a> {
<a name="l00068"></a>00068  <span class="keyword">public</span>:
<a name="l00069"></a><a class="code" href="classreranker_1_1_stream_initializer.html#af6d8849961432fc571b32903c8ed87a4">00069</a>   <a class="code" href="classreranker_1_1_stream_initializer.html#af6d8849961432fc571b32903c8ed87a4">StreamInitializer</a>() { }
<a name="l00070"></a>00070   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classreranker_1_1_stream_initializer.html#aa0b38f3a7283ef6297b7bd2da89991a4">Init</a>(<a class="code" href="classreranker_1_1_stream_tokenizer.html" title="A simple class for tokenizing a stream of tokens for the formally specified language used to construc...">StreamTokenizer</a> &amp;st, <a class="code" href="classreranker_1_1_environment.html" title="An interface for an environment in which variables of various types are mapped to their values...">Environment</a> *env = NULL) = 0;
<a name="l00071"></a>00071 };
<a name="l00072"></a>00072 
<a name="l00073"></a>00073 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt; <span class="keyword">class </span>Factory;
<a name="l00074"></a>00074 
<a name="l00081"></a>00081 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;
<a name="l00082"></a><a class="code" href="classreranker_1_1_initializer.html">00082</a> <span class="keyword">class </span><a class="code" href="classreranker_1_1_initializer.html" title="A class to initialize a Factory-constructible object.">Initializer</a> : <span class="keyword">public</span> <a class="code" href="classreranker_1_1_stream_initializer.html" title="An interface that allows for a primitive, Factory-constructible object or vector thereof to be initia...">StreamInitializer</a> {
<a name="l00083"></a>00083  <span class="keyword">public</span>:
<a name="l00084"></a><a class="code" href="classreranker_1_1_initializer.html#adfc78e83ade2267f907de2d6009a98cf">00084</a>   <a class="code" href="classreranker_1_1_initializer.html#adfc78e83ade2267f907de2d6009a98cf">Initializer</a>(T *member) : member_(member) { }
<a name="l00085"></a><a class="code" href="classreranker_1_1_initializer.html#a8ebde0ddb09e92fb714d7ef22b413845">00085</a>   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classreranker_1_1_initializer.html#a8ebde0ddb09e92fb714d7ef22b413845">Init</a>(<a class="code" href="classreranker_1_1_stream_tokenizer.html" title="A simple class for tokenizing a stream of tokens for the formally specified language used to construc...">StreamTokenizer</a> &amp;st, <a class="code" href="classreranker_1_1_environment.html" title="An interface for an environment in which variables of various types are mapped to their values...">Environment</a> *env = NULL) {
<a name="l00086"></a>00086     <a class="code" href="classreranker_1_1_stream_tokenizer.html#a43c556f438853bde82330f852de412da" title="The set of types of tokens read by this stream tokenizer.">StreamTokenizer::TokenType</a> token_type = st.<a class="code" href="classreranker_1_1_stream_tokenizer.html#a69295644dad07656c4790d6d5ed87557" title="Returns the type of the next token.">PeekTokenType</a>();
<a name="l00087"></a>00087     <span class="keywordflow">if</span> (token_type != <a class="code" href="classreranker_1_1_stream_tokenizer.html#a43c556f438853bde82330f852de412daa6f3f909fb7f4fdc76c355f131a0cd392">StreamTokenizer::IDENTIFIER</a>) {
<a name="l00088"></a>00088       ostringstream err_ss;
<a name="l00089"></a>00089       err_ss &lt;&lt; <span class="stringliteral">&quot;FactoryInitializer: expected IDENTIFIER token at stream &quot;</span>
<a name="l00090"></a>00090              &lt;&lt; <span class="stringliteral">&quot;position &quot;</span> &lt;&lt; st.<a class="code" href="classreranker_1_1_stream_tokenizer.html#a2f79a9d009fac16c76c9bcf653fb88cc" title="Returns the next token&rsquo;s start position.">PeekTokenStart</a>() &lt;&lt; <span class="stringliteral">&quot; but found &quot;</span>
<a name="l00091"></a>00091              &lt;&lt; <a class="code" href="classreranker_1_1_stream_tokenizer.html#ad9765fd0018581aa96914ac773cbe450" title="Returns a string type name for the specified TokenType constant.">StreamTokenizer::TypeName</a>(token_type) &lt;&lt; <span class="stringliteral">&quot; token: \&quot;&quot;</span>
<a name="l00092"></a>00092              &lt;&lt; st.<a class="code" href="classreranker_1_1_stream_tokenizer.html#a7f53bc3134419cb7b7f00bbd39430b42" title="Returns the next token that would be returned by the Next method.">Peek</a>() &lt;&lt; <span class="stringliteral">&quot;\&quot;&quot;</span>;
<a name="l00093"></a>00093       <span class="keywordflow">throw</span> std::runtime_error(err_ss.str());
<a name="l00094"></a>00094     }
<a name="l00095"></a>00095     <a class="code" href="classreranker_1_1_factory.html" title="Factory for dynamically created instance of the specified type.">Factory&lt;typename T::element_type&gt;</a> factory;
<a name="l00096"></a>00096     (*member_) = factory.<a class="code" href="classreranker_1_1_factory.html#a68117013334b03c94fc525e62080311f" title="Dynamically creates an object, whose type and initialization are contained in a specification string...">CreateOrDie</a>(st, env);
<a name="l00097"></a>00097   }
<a name="l00098"></a>00098  <span class="keyword">private</span>:
<a name="l00099"></a>00099   T *member_;
<a name="l00100"></a>00100 };
<a name="l00101"></a>00101 
<a name="l00106"></a>00106 <span class="keyword">template</span>&lt;&gt;
<a name="l00107"></a><a class="code" href="classreranker_1_1_initializer_3_01int_01_4.html">00107</a> <span class="keyword">class </span><a class="code" href="classreranker_1_1_initializer.html" title="A class to initialize a Factory-constructible object.">Initializer</a>&lt;int&gt; : <span class="keyword">public</span> <a class="code" href="classreranker_1_1_stream_initializer.html" title="An interface that allows for a primitive, Factory-constructible object or vector thereof to be initia...">StreamInitializer</a> {
<a name="l00108"></a>00108  <span class="keyword">public</span>:
<a name="l00109"></a><a class="code" href="classreranker_1_1_initializer_3_01int_01_4.html#a9c9cadeb510395016ff75de4ae04a834">00109</a>   <a class="code" href="classreranker_1_1_initializer_3_01int_01_4.html#a9c9cadeb510395016ff75de4ae04a834">Initializer</a>(<span class="keywordtype">int</span> *member) : member_(member) { }
<a name="l00110"></a><a class="code" href="classreranker_1_1_initializer_3_01int_01_4.html#a03d6d510e7c01823409658644b4ea507">00110</a>   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classreranker_1_1_initializer_3_01int_01_4.html#a03d6d510e7c01823409658644b4ea507">Init</a>(<a class="code" href="classreranker_1_1_stream_tokenizer.html" title="A simple class for tokenizing a stream of tokens for the formally specified language used to construc...">StreamTokenizer</a> &amp;st, <a class="code" href="classreranker_1_1_environment.html" title="An interface for an environment in which variables of various types are mapped to their values...">Environment</a> *env = NULL) {
<a name="l00111"></a>00111     <a class="code" href="classreranker_1_1_stream_tokenizer.html#a43c556f438853bde82330f852de412da" title="The set of types of tokens read by this stream tokenizer.">StreamTokenizer::TokenType</a> token_type = st.<a class="code" href="classreranker_1_1_stream_tokenizer.html#a69295644dad07656c4790d6d5ed87557" title="Returns the type of the next token.">PeekTokenType</a>();
<a name="l00112"></a>00112     <span class="keywordflow">if</span> (token_type != <a class="code" href="classreranker_1_1_stream_tokenizer.html#a43c556f438853bde82330f852de412daa033acb728cba240ddf92404a8e709b79">StreamTokenizer::NUMBER</a>) {
<a name="l00113"></a>00113       ostringstream err_ss;
<a name="l00114"></a>00114       err_ss &lt;&lt; <span class="stringliteral">&quot;IntInitializer: expected NUMBER token at stream &quot;</span>
<a name="l00115"></a>00115              &lt;&lt; <span class="stringliteral">&quot;position &quot;</span> &lt;&lt; st.<a class="code" href="classreranker_1_1_stream_tokenizer.html#a2f79a9d009fac16c76c9bcf653fb88cc" title="Returns the next token&rsquo;s start position.">PeekTokenStart</a>() &lt;&lt; <span class="stringliteral">&quot; but found &quot;</span>
<a name="l00116"></a>00116              &lt;&lt; <a class="code" href="classreranker_1_1_stream_tokenizer.html#ad9765fd0018581aa96914ac773cbe450" title="Returns a string type name for the specified TokenType constant.">StreamTokenizer::TypeName</a>(token_type) &lt;&lt; <span class="stringliteral">&quot; token: \&quot;&quot;</span>
<a name="l00117"></a>00117              &lt;&lt; st.<a class="code" href="classreranker_1_1_stream_tokenizer.html#a7f53bc3134419cb7b7f00bbd39430b42" title="Returns the next token that would be returned by the Next method.">Peek</a>() &lt;&lt; <span class="stringliteral">&quot;\&quot;&quot;</span>;
<a name="l00118"></a>00118       <span class="keywordflow">throw</span> std::runtime_error(err_ss.str());
<a name="l00119"></a>00119     }
<a name="l00120"></a>00120     (*member_) = atoi(st.<a class="code" href="classreranker_1_1_stream_tokenizer.html#a8fad418b62ae370295fe324229e5d43e" title="Returns the next token in the token stream.">Next</a>().c_str());
<a name="l00121"></a>00121   }
<a name="l00122"></a>00122  <span class="keyword">private</span>:
<a name="l00123"></a>00123   <span class="keywordtype">int</span> *member_;
<a name="l00124"></a>00124 };
<a name="l00125"></a>00125 
<a name="l00129"></a>00129 <span class="keyword">template</span>&lt;&gt;
<a name="l00130"></a><a class="code" href="classreranker_1_1_initializer_3_01double_01_4.html">00130</a> <span class="keyword">class </span><a class="code" href="classreranker_1_1_initializer.html" title="A class to initialize a Factory-constructible object.">Initializer</a>&lt;double&gt; : <span class="keyword">public</span> <a class="code" href="classreranker_1_1_stream_initializer.html" title="An interface that allows for a primitive, Factory-constructible object or vector thereof to be initia...">StreamInitializer</a> {
<a name="l00131"></a>00131  <span class="keyword">public</span>:
<a name="l00132"></a><a class="code" href="classreranker_1_1_initializer_3_01double_01_4.html#a9aa359e909355c9a0ede9e2cfad2e21b">00132</a>   <a class="code" href="classreranker_1_1_initializer_3_01double_01_4.html#a9aa359e909355c9a0ede9e2cfad2e21b">Initializer</a>(<span class="keywordtype">double</span> *member) : member_(member) { }
<a name="l00133"></a><a class="code" href="classreranker_1_1_initializer_3_01double_01_4.html#a7167c4bd35078a5b2db32b9ae7afec12">00133</a>   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classreranker_1_1_initializer_3_01double_01_4.html#a7167c4bd35078a5b2db32b9ae7afec12">Init</a>(<a class="code" href="classreranker_1_1_stream_tokenizer.html" title="A simple class for tokenizing a stream of tokens for the formally specified language used to construc...">StreamTokenizer</a> &amp;st, <a class="code" href="classreranker_1_1_environment.html" title="An interface for an environment in which variables of various types are mapped to their values...">Environment</a> *env = NULL) {
<a name="l00134"></a>00134     <a class="code" href="classreranker_1_1_stream_tokenizer.html#a43c556f438853bde82330f852de412da" title="The set of types of tokens read by this stream tokenizer.">StreamTokenizer::TokenType</a> token_type = st.<a class="code" href="classreranker_1_1_stream_tokenizer.html#a69295644dad07656c4790d6d5ed87557" title="Returns the type of the next token.">PeekTokenType</a>();
<a name="l00135"></a>00135     <span class="keywordflow">if</span> (token_type != <a class="code" href="classreranker_1_1_stream_tokenizer.html#a43c556f438853bde82330f852de412daa033acb728cba240ddf92404a8e709b79">StreamTokenizer::NUMBER</a>) {
<a name="l00136"></a>00136       ostringstream err_ss;
<a name="l00137"></a>00137       err_ss &lt;&lt; <span class="stringliteral">&quot;DoubleInitializer: expected NUMBER token at stream &quot;</span>
<a name="l00138"></a>00138              &lt;&lt; <span class="stringliteral">&quot;position &quot;</span> &lt;&lt; st.<a class="code" href="classreranker_1_1_stream_tokenizer.html#a2f79a9d009fac16c76c9bcf653fb88cc" title="Returns the next token&rsquo;s start position.">PeekTokenStart</a>() &lt;&lt; <span class="stringliteral">&quot; but found &quot;</span>
<a name="l00139"></a>00139              &lt;&lt; <a class="code" href="classreranker_1_1_stream_tokenizer.html#ad9765fd0018581aa96914ac773cbe450" title="Returns a string type name for the specified TokenType constant.">StreamTokenizer::TypeName</a>(token_type) &lt;&lt; <span class="stringliteral">&quot; token: \&quot;&quot;</span>
<a name="l00140"></a>00140              &lt;&lt; st.<a class="code" href="classreranker_1_1_stream_tokenizer.html#a7f53bc3134419cb7b7f00bbd39430b42" title="Returns the next token that would be returned by the Next method.">Peek</a>() &lt;&lt; <span class="stringliteral">&quot;\&quot;&quot;</span>;
<a name="l00141"></a>00141       <span class="keywordflow">throw</span> std::runtime_error(err_ss.str());
<a name="l00142"></a>00142     }
<a name="l00143"></a>00143     (*member_) = atof(st.<a class="code" href="classreranker_1_1_stream_tokenizer.html#a8fad418b62ae370295fe324229e5d43e" title="Returns the next token in the token stream.">Next</a>().c_str());
<a name="l00144"></a>00144   }
<a name="l00145"></a>00145  <span class="keyword">private</span>:
<a name="l00146"></a>00146   <span class="keywordtype">double</span> *member_;
<a name="l00147"></a>00147 };
<a name="l00148"></a>00148 
<a name="l00152"></a>00152 <span class="keyword">template</span>&lt;&gt;
<a name="l00153"></a><a class="code" href="classreranker_1_1_initializer_3_01bool_01_4.html">00153</a> <span class="keyword">class </span><a class="code" href="classreranker_1_1_initializer.html" title="A class to initialize a Factory-constructible object.">Initializer</a>&lt;bool&gt; : <span class="keyword">public</span> <a class="code" href="classreranker_1_1_stream_initializer.html" title="An interface that allows for a primitive, Factory-constructible object or vector thereof to be initia...">StreamInitializer</a> {
<a name="l00154"></a>00154  <span class="keyword">public</span>:
<a name="l00155"></a><a class="code" href="classreranker_1_1_initializer_3_01bool_01_4.html#a0b71f2e9fb7faf479b98d2c5449d5a0c">00155</a>   <a class="code" href="classreranker_1_1_initializer_3_01bool_01_4.html#a0b71f2e9fb7faf479b98d2c5449d5a0c">Initializer</a>(<span class="keywordtype">bool</span> *member) : member_(member) { }
<a name="l00156"></a><a class="code" href="classreranker_1_1_initializer_3_01bool_01_4.html#a0112fe32ae4ce5f78abe061a170177d0">00156</a>   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classreranker_1_1_initializer_3_01bool_01_4.html#a0112fe32ae4ce5f78abe061a170177d0">Init</a>(<a class="code" href="classreranker_1_1_stream_tokenizer.html" title="A simple class for tokenizing a stream of tokens for the formally specified language used to construc...">StreamTokenizer</a> &amp;st, <a class="code" href="classreranker_1_1_environment.html" title="An interface for an environment in which variables of various types are mapped to their values...">Environment</a> *env = NULL) {
<a name="l00157"></a>00157     <a class="code" href="classreranker_1_1_stream_tokenizer.html#a43c556f438853bde82330f852de412da" title="The set of types of tokens read by this stream tokenizer.">StreamTokenizer::TokenType</a> token_type = st.<a class="code" href="classreranker_1_1_stream_tokenizer.html#a69295644dad07656c4790d6d5ed87557" title="Returns the type of the next token.">PeekTokenType</a>();
<a name="l00158"></a>00158     <span class="keywordflow">if</span> (token_type != <a class="code" href="classreranker_1_1_stream_tokenizer.html#a43c556f438853bde82330f852de412daa900de35c73023cf15ec3954852da6809">StreamTokenizer::RESERVED_WORD</a>) {
<a name="l00159"></a>00159       ostringstream err_ss;
<a name="l00160"></a>00160       err_ss &lt;&lt; <span class="stringliteral">&quot;BoolInitializer: expected RESERVED_WORD token at stream &quot;</span>
<a name="l00161"></a>00161              &lt;&lt; <span class="stringliteral">&quot;position &quot;</span> &lt;&lt; st.<a class="code" href="classreranker_1_1_stream_tokenizer.html#a2f79a9d009fac16c76c9bcf653fb88cc" title="Returns the next token&rsquo;s start position.">PeekTokenStart</a>() &lt;&lt; <span class="stringliteral">&quot; but found &quot;</span>
<a name="l00162"></a>00162              &lt;&lt; <a class="code" href="classreranker_1_1_stream_tokenizer.html#ad9765fd0018581aa96914ac773cbe450" title="Returns a string type name for the specified TokenType constant.">StreamTokenizer::TypeName</a>(token_type) &lt;&lt; <span class="stringliteral">&quot; token: \&quot;&quot;</span>
<a name="l00163"></a>00163              &lt;&lt; st.<a class="code" href="classreranker_1_1_stream_tokenizer.html#a7f53bc3134419cb7b7f00bbd39430b42" title="Returns the next token that would be returned by the Next method.">Peek</a>() &lt;&lt; <span class="stringliteral">&quot;\&quot;&quot;</span>;
<a name="l00164"></a>00164       <span class="keywordflow">throw</span> std::runtime_error(err_ss.str());
<a name="l00165"></a>00165     }
<a name="l00166"></a>00166     <span class="keywordtype">size_t</span> next_tok_start = st.<a class="code" href="classreranker_1_1_stream_tokenizer.html#a2f79a9d009fac16c76c9bcf653fb88cc" title="Returns the next token&rsquo;s start position.">PeekTokenStart</a>();
<a name="l00167"></a>00167     <span class="keywordtype">string</span> next_tok = st.<a class="code" href="classreranker_1_1_stream_tokenizer.html#a8fad418b62ae370295fe324229e5d43e" title="Returns the next token in the token stream.">Next</a>();
<a name="l00168"></a>00168     <span class="keywordflow">if</span> (next_tok == <span class="stringliteral">&quot;false&quot;</span>) {
<a name="l00169"></a>00169       (*member_) = <span class="keyword">false</span>;
<a name="l00170"></a>00170     } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (next_tok == <span class="stringliteral">&quot;true&quot;</span>) {
<a name="l00171"></a>00171       (*member_) = <span class="keyword">true</span>;
<a name="l00172"></a>00172     } <span class="keywordflow">else</span> {
<a name="l00173"></a>00173       ostringstream err_ss;
<a name="l00174"></a>00174       err_ss &lt;&lt; <span class="stringliteral">&quot;Initializer&lt;bool&gt;: expected either \&quot;true\&quot; or \&quot;false\&quot; &quot;</span>
<a name="l00175"></a>00175              &lt;&lt; <span class="stringliteral">&quot;token at stream position &quot;</span> &lt;&lt; next_tok_start &lt;&lt; <span class="stringliteral">&quot; but found &quot;</span>
<a name="l00176"></a>00176              &lt;&lt; <span class="stringliteral">&quot;token: \&quot;&quot;</span> &lt;&lt; next_tok &lt;&lt; <span class="stringliteral">&quot;\&quot;&quot;</span>;
<a name="l00177"></a>00177       <span class="keywordflow">throw</span> <span class="keyword">new</span> std::runtime_error(err_ss.str());
<a name="l00178"></a>00178     }
<a name="l00179"></a>00179   }
<a name="l00180"></a>00180  <span class="keyword">private</span>:
<a name="l00181"></a>00181   <span class="keywordtype">bool</span> *member_;
<a name="l00182"></a>00182 };
<a name="l00183"></a>00183 
<a name="l00187"></a>00187 <span class="keyword">template</span>&lt;&gt;
<a name="l00188"></a><a class="code" href="classreranker_1_1_initializer_3_01string_01_4.html">00188</a> <span class="keyword">class </span><a class="code" href="classreranker_1_1_initializer.html" title="A class to initialize a Factory-constructible object.">Initializer</a>&lt;string&gt; : <span class="keyword">public</span> <a class="code" href="classreranker_1_1_stream_initializer.html" title="An interface that allows for a primitive, Factory-constructible object or vector thereof to be initia...">StreamInitializer</a> {
<a name="l00189"></a>00189  <span class="keyword">public</span>:
<a name="l00190"></a><a class="code" href="classreranker_1_1_initializer_3_01string_01_4.html#adfd147b9a40323af8d1f2297f7d01ac0">00190</a>   <a class="code" href="classreranker_1_1_initializer_3_01string_01_4.html#adfd147b9a40323af8d1f2297f7d01ac0">Initializer</a>(<span class="keywordtype">string</span> *member) : member_(member) { }
<a name="l00191"></a><a class="code" href="classreranker_1_1_initializer_3_01string_01_4.html#ac6ef13f10907cc9acf6fbe753b915aad">00191</a>   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classreranker_1_1_initializer_3_01string_01_4.html#ac6ef13f10907cc9acf6fbe753b915aad">Init</a>(<a class="code" href="classreranker_1_1_stream_tokenizer.html" title="A simple class for tokenizing a stream of tokens for the formally specified language used to construc...">StreamTokenizer</a> &amp;st, <a class="code" href="classreranker_1_1_environment.html" title="An interface for an environment in which variables of various types are mapped to their values...">Environment</a> *env = NULL) {
<a name="l00192"></a>00192     <a class="code" href="classreranker_1_1_stream_tokenizer.html#a43c556f438853bde82330f852de412da" title="The set of types of tokens read by this stream tokenizer.">StreamTokenizer::TokenType</a> token_type = st.<a class="code" href="classreranker_1_1_stream_tokenizer.html#a69295644dad07656c4790d6d5ed87557" title="Returns the type of the next token.">PeekTokenType</a>();
<a name="l00193"></a>00193     <span class="keywordflow">if</span> (token_type != <a class="code" href="classreranker_1_1_stream_tokenizer.html#a43c556f438853bde82330f852de412daa6719f11fc4a17c542500088211a08df3">StreamTokenizer::STRING</a>) {
<a name="l00194"></a>00194       ostringstream err_ss;
<a name="l00195"></a>00195       err_ss &lt;&lt; <span class="stringliteral">&quot;StringInitializer: expected STRING token at stream &quot;</span>
<a name="l00196"></a>00196              &lt;&lt; <span class="stringliteral">&quot;position &quot;</span> &lt;&lt; st.<a class="code" href="classreranker_1_1_stream_tokenizer.html#a2f79a9d009fac16c76c9bcf653fb88cc" title="Returns the next token&rsquo;s start position.">PeekTokenStart</a>() &lt;&lt; <span class="stringliteral">&quot; but found &quot;</span>
<a name="l00197"></a>00197              &lt;&lt; <a class="code" href="classreranker_1_1_stream_tokenizer.html#ad9765fd0018581aa96914ac773cbe450" title="Returns a string type name for the specified TokenType constant.">StreamTokenizer::TypeName</a>(token_type) &lt;&lt; <span class="stringliteral">&quot; token: \&quot;&quot;</span>
<a name="l00198"></a>00198              &lt;&lt; st.<a class="code" href="classreranker_1_1_stream_tokenizer.html#a7f53bc3134419cb7b7f00bbd39430b42" title="Returns the next token that would be returned by the Next method.">Peek</a>() &lt;&lt; <span class="stringliteral">&quot;\&quot;&quot;</span>;
<a name="l00199"></a>00199       <span class="keywordflow">throw</span> std::runtime_error(err_ss.str());
<a name="l00200"></a>00200     }
<a name="l00201"></a>00201     (*member_) = st.<a class="code" href="classreranker_1_1_stream_tokenizer.html#a8fad418b62ae370295fe324229e5d43e" title="Returns the next token in the token stream.">Next</a>();
<a name="l00202"></a>00202   }
<a name="l00203"></a>00203  <span class="keyword">private</span>:
<a name="l00204"></a>00204   <span class="keywordtype">string</span> *member_;
<a name="l00205"></a>00205 };
<a name="l00206"></a>00206 
<a name="l00212"></a>00212 <span class="keyword">template</span>&lt;<span class="keyword">typename</span> T&gt;
<a name="l00213"></a><a class="code" href="classreranker_1_1_initializer_3_01vector_3_01_t_01_4_01_4.html">00213</a> <span class="keyword">class </span><a class="code" href="classreranker_1_1_initializer.html" title="A class to initialize a Factory-constructible object.">Initializer</a>&lt;vector&lt;T&gt; &gt; : <span class="keyword">public</span> <a class="code" href="classreranker_1_1_stream_initializer.html" title="An interface that allows for a primitive, Factory-constructible object or vector thereof to be initia...">StreamInitializer</a> {
<a name="l00214"></a>00214  <span class="keyword">public</span>:
<a name="l00215"></a><a class="code" href="classreranker_1_1_initializer_3_01vector_3_01_t_01_4_01_4.html#a234fe31958f10351578a177463c3265e">00215</a>   <a class="code" href="classreranker_1_1_initializer_3_01vector_3_01_t_01_4_01_4.html#a234fe31958f10351578a177463c3265e">Initializer</a>(vector&lt;T&gt; *member) : member_(member) { }
<a name="l00216"></a><a class="code" href="classreranker_1_1_initializer_3_01vector_3_01_t_01_4_01_4.html#a262ecb7b2fab492e6720956af2803464">00216</a>   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classreranker_1_1_initializer_3_01vector_3_01_t_01_4_01_4.html#a262ecb7b2fab492e6720956af2803464">Init</a>(<a class="code" href="classreranker_1_1_stream_tokenizer.html" title="A simple class for tokenizing a stream of tokens for the formally specified language used to construc...">StreamTokenizer</a> &amp;st, <a class="code" href="classreranker_1_1_environment.html" title="An interface for an environment in which variables of various types are mapped to their values...">Environment</a> *env = NULL) {
<a name="l00217"></a>00217     <span class="comment">// Either the next token is an open brace (if reading tokens from</span>
<a name="l00218"></a>00218     <span class="comment">// within a Factory-constructible object&#39;s member init list), or</span>
<a name="l00219"></a>00219     <span class="comment">// else we just read an open brace (if Interpreter is reading tokens).</span>
<a name="l00220"></a>00220     <span class="keywordflow">if</span> (st.<a class="code" href="classreranker_1_1_stream_tokenizer.html#a7f53bc3134419cb7b7f00bbd39430b42" title="Returns the next token that would be returned by the Next method.">Peek</a>() == <span class="stringliteral">&quot;{&quot;</span>) {
<a name="l00221"></a>00221       <span class="comment">// Consume open brace.</span>
<a name="l00222"></a>00222       st.<a class="code" href="classreranker_1_1_stream_tokenizer.html#a8fad418b62ae370295fe324229e5d43e" title="Returns the next token in the token stream.">Next</a>();
<a name="l00223"></a>00223     } <span class="keywordflow">else</span> {
<a name="l00224"></a>00224       <span class="keywordflow">if</span> (st.<a class="code" href="classreranker_1_1_stream_tokenizer.html#a5ca21d5cc8edfba7e220e71a553973ce">PeekPrev</a>() != <span class="stringliteral">&quot;{&quot;</span>) {
<a name="l00225"></a>00225         ostringstream err_ss;
<a name="l00226"></a>00226         err_ss &lt;&lt; <span class="stringliteral">&quot;Initializer&lt;vector&lt;T&gt;&gt;: &quot;</span>
<a name="l00227"></a>00227                &lt;&lt; <span class="stringliteral">&quot;error: expected &#39;{&#39; at stream position &quot;</span>
<a name="l00228"></a>00228                &lt;&lt; st.<a class="code" href="classreranker_1_1_stream_tokenizer.html#ae11b72f787861e255191a574a9391e43">PeekPrevTokenStart</a>() &lt;&lt; <span class="stringliteral">&quot; but found \&quot;&quot;</span>
<a name="l00229"></a>00229                &lt;&lt; st.<a class="code" href="classreranker_1_1_stream_tokenizer.html#a5ca21d5cc8edfba7e220e71a553973ce">PeekPrev</a>() &lt;&lt; <span class="stringliteral">&quot;\&quot;&quot;</span>;
<a name="l00230"></a>00230         <span class="keywordflow">throw</span> std::runtime_error(err_ss.str());
<a name="l00231"></a>00231       }
<a name="l00232"></a>00232     }
<a name="l00233"></a>00233     <span class="keywordflow">while</span> (st.<a class="code" href="classreranker_1_1_stream_tokenizer.html#a7f53bc3134419cb7b7f00bbd39430b42" title="Returns the next token that would be returned by the Next method.">Peek</a>() != <span class="stringliteral">&quot;}&quot;</span>) {
<a name="l00234"></a>00234       T vector_element;
<a name="l00235"></a>00235       <a class="code" href="classreranker_1_1_initializer.html" title="A class to initialize a Factory-constructible object.">Initializer&lt;T&gt;</a> *element_init = <span class="keyword">new</span> <a class="code" href="classreranker_1_1_initializer.html" title="A class to initialize a Factory-constructible object.">Initializer&lt;T&gt;</a>(&amp;vector_element);
<a name="l00236"></a>00236       element_init-&gt;<a class="code" href="classreranker_1_1_initializer.html#a8ebde0ddb09e92fb714d7ef22b413845">Init</a>(st, env);
<a name="l00237"></a>00237       member_-&gt;push_back(vector_element);
<a name="l00238"></a>00238       <span class="keyword">delete</span> element_init;
<a name="l00239"></a>00239       <span class="comment">// Each vector element initializer must be followed by a comma</span>
<a name="l00240"></a>00240       <span class="comment">// or the final closing parenthesis.</span>
<a name="l00241"></a>00241       <span class="keywordflow">if</span> (st.<a class="code" href="classreranker_1_1_stream_tokenizer.html#a7f53bc3134419cb7b7f00bbd39430b42" title="Returns the next token that would be returned by the Next method.">Peek</a>() != <span class="stringliteral">&quot;,&quot;</span>  &amp;&amp; st.<a class="code" href="classreranker_1_1_stream_tokenizer.html#a7f53bc3134419cb7b7f00bbd39430b42" title="Returns the next token that would be returned by the Next method.">Peek</a>() != <span class="stringliteral">&quot;}&quot;</span>) {
<a name="l00242"></a>00242         ostringstream err_ss;
<a name="l00243"></a>00243         err_ss &lt;&lt; <span class="stringliteral">&quot;Initializer&lt;vector&lt;T&gt;&gt;: &quot;</span>
<a name="l00244"></a>00244                &lt;&lt; <span class="stringliteral">&quot;error: expected &#39;,&#39; or &#39;}&#39; at stream position &quot;</span>
<a name="l00245"></a>00245                &lt;&lt; st.<a class="code" href="classreranker_1_1_stream_tokenizer.html#a2f79a9d009fac16c76c9bcf653fb88cc" title="Returns the next token&rsquo;s start position.">PeekTokenStart</a>() &lt;&lt; <span class="stringliteral">&quot; but found \&quot;&quot;</span> &lt;&lt; st.<a class="code" href="classreranker_1_1_stream_tokenizer.html#a7f53bc3134419cb7b7f00bbd39430b42" title="Returns the next token that would be returned by the Next method.">Peek</a>() &lt;&lt; <span class="stringliteral">&quot;\&quot;&quot;</span>;
<a name="l00246"></a>00246         <span class="keywordflow">throw</span> std::runtime_error(err_ss.str());
<a name="l00247"></a>00247       }
<a name="l00248"></a>00248       <span class="comment">// Read comma, if present.</span>
<a name="l00249"></a>00249       <span class="keywordflow">if</span> (st.<a class="code" href="classreranker_1_1_stream_tokenizer.html#a7f53bc3134419cb7b7f00bbd39430b42" title="Returns the next token that would be returned by the Next method.">Peek</a>() == <span class="stringliteral">&quot;,&quot;</span>) {
<a name="l00250"></a>00250         st.<a class="code" href="classreranker_1_1_stream_tokenizer.html#a8fad418b62ae370295fe324229e5d43e" title="Returns the next token in the token stream.">Next</a>();
<a name="l00251"></a>00251       }
<a name="l00252"></a>00252     }
<a name="l00253"></a>00253     <span class="comment">// Consume close brace.</span>
<a name="l00254"></a>00254     st.<a class="code" href="classreranker_1_1_stream_tokenizer.html#a8fad418b62ae370295fe324229e5d43e" title="Returns the next token in the token stream.">Next</a>();
<a name="l00255"></a>00255   }
<a name="l00256"></a>00256  <span class="keyword">private</span>:
<a name="l00257"></a>00257   vector&lt;T&gt; *member_;
<a name="l00258"></a>00258 };
<a name="l00259"></a>00259 
<a name="l00260"></a>00260 }  <span class="comment">// namespace reranker</span>
<a name="l00261"></a>00261 
<a name="l00262"></a>00262 <span class="preprocessor">#endif</span>
</pre></div></div><!-- contents -->
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